Oil Screen (Feed) [A] (see Oil Screen (Feed) Removal
in the Engine Lubrication System chapter)
Shift rods [B] (see Transmission Shaft Removal)
2 shift forks [C] (see Transmission Shaft Removal)
Shift drum [D] (see Transmission Shaft Removal)
Transmission [E] (see Transmission Shaft Removal)
Remove the crankshaft from the right crankcase half (see
Do not remove the bearings and the oil seals unless
it is necessary.
Removal may damage them.
Right and left crankcase halves are machined at the
factory in the assembled state, so if replaced, they
must be replaced as a set.
Remove the old gasket from the mating surfaces of the
crankcase halves and clean them off with a high-flash
Using compressed air, blow out the oil passages in the
Clean the engine parts in a well-ventilated area, and
take care that there are no sparks or flame any-
where near the working area; this includes any ap-
pliance with a pilot light. Do not use gasoline or a
low-flash point solvent to clean parts. A fire or ex-
plosions could result.
Support the crankcase bearing boss with a suitable re-
Using a press and the bearing driver set [C], install a new
bearing [B] until it bottoms out.
Special Tool - Bearing Driver Set: 57001-1129
Support the crankcase bearing boss when the bear-
ing is pressed, or the crankcase could be damaged.